Belgian Shepherds come in four varieties: 1  the Belgian Groenendael (longhaired black) 2  the Belgian Tervuren (longhaired fawn/mahogany) 3  the Belgian Malinois (shorthaired fawn/mahogany)  the Belgian Laekenois (roughhaired fawn)
Depression causes lack of appetite. The cat will be less active, sleep more, will be aggressive, easily irritable and sometimes extremely vocal. Depression may be caused by loss, lack of attention from the owner, hormonal imbalance or a disease. Depression can be treated with mild antidepressants.
Infections from bacterial invasion can cause loss of appetite and nausea. Loss of appetite and nausea are common symptoms that affect everyone at some point. The symptoms of lack of appetite and nausea are often non-specific can occur as a result of a variety of conditions. The most common causes of nausea and lack of appetite are conditions that affect the gastrointestinal tract, although systemic infections may also be the culprit.